Calculating device.



P. W. SOMMER.

GALGULATING DEVICE.

Arrmonlon nun nn. za, 190s.

Patend'nea 21, 1909.

J7! ucn for i. uNiTED sTATEs PATENT oEEi'oE.

PETER W. SOMMER, OF PEORIA, ILLINOIS.

CALCULATING DEVICE.

Specication of Letters Patent.

Patented Dee. '21, 1909.

l Application led March 23, 1908. I Serial No. 422,854.

To all whom it may concern:

Be it known that-1, PETER W. SOMMER, a citizen of the United States, residing at leoria, in the county of Peoria and State of lIllinois, have invented certain new and useful Im roveincnts in Calculating Devices; and I to hereby declare that the following is a full, clear, and-exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same.

This invention has reference to -a calculating device for computing time spentl by similar industries, who are required to perforni Various duties vor Work on different jobs during 'a day; elapsed time, meaning the time spent on a certain piece of work or job, between the timey of commencing and ending. The invention embodying further, means for deducting the noon hour or the time spent by an emplo ee or Workman for lunch, which is not suc time as should be computed to ascertain the amount earned, particularly Where such employee or Workman is working and receiving his wages for work done per hour. y

I In the drawin s, Figure 1 is a plan View of my improved ca; culating device, and Fig. 2 is across-section of so much of Fig. 1- as would appear on the line Y-Y, thereof.

3 designates 1a board, orwhat may be termed a table which maybe of any, suitable width and length.` -The width being determined by the4 character and number of parallel scales and the. length being determined largely by the character of the'time scales or charts and tabulated scales or charts, 'Which-will be further described. This board or table 3 is shown proyided with a plurality of parallel and spaced longitudinal grooves 4. 5,6 and Y7. In groove 4 is carried a movable bar 8 provided with a time scale `or chart 9 impressed in. embossed upon or other- Wise aiiixed to the top thereof. In groove 5 is carried, preferably, an' immovable bar 10 provided with a time scale or chart 2).' I n groove 6 is carried, preferably, an immova'blebar 12 provided Awith an elapsed time scale or chart 12 which may be atlixed to the bar 12 in any suitable manner, while in each of the grooves 7 are carried', preferably` immovable bars 13 provided witlitabulated scales of wages 14. While I have said that the bars 10, 12 and 13 are immovable, I do not intend that they may not be removed or detached so as to substitute other elapsed time scales or charts or other` tabulated scales of wages; or if desired,I the elapsed time scale or chart and the 'tabulated scales of Wages, instead of `being'attached or affixed to bars,'as described, they may be made of celluloid strips and secured .to the board or table 3, which may also be the case in connection with the time scale or chart 1l.

The time scale or chart 9 is to indicate and corresponds to the time an employee or Workman commencs an job While the scale or chart 11 is t indicate and corresponds to the time an employee or workman ends or stops Working on any job. The scales 9 and 11 are identical so far as the arrangement of the characters thereon are concerned, but the scale 9 'is movable so as to bring any specified or predetermined unit or period of time appearing thereon coincident With any s ecified or predetermined unit or period o time appeariner on the scale or chart 11, as will inoi'e ful y appear by illustration, and for the purpose of indicating the Vnumber of hours spent by an employee orworkman on any job.l I have preferred to show .the scales orcharts 9 and 11 with the periods or units of time every half hour, merelyfor the purpose of illustration and convenience-,in understanding the invention, 'withztlielftimescale' or chart and tabulated scales of;wages made to conform thereto, but it istobe'distinctly understood` thatlthe periodsrof 'units of time on the scales or charts 9 and 11 may be .based on any other periods or-unitsof timey ranging from one .(1) minute to one`(1) hour. and the elapsed' thief-Scalea and tabula-ted scales of wages made t conform thereto.

Attached to. Athe .lowergndi of the bar 4' and" rojecting transveraeb'.. across and abovet e lower endof the *board or table- 3 and the base of the' tabulated scales of Wages, is a guide plate or bar 15 and said barvis provided with a plurality of openings one capable of being passed over the sca e 12S` so that the characters or numerals a pearing lthereon will appear through sai opening, and for convenience will be indicated as 15?; the other openings are adapted to be passed over-the respective scales 14, with which they are alined, so that the characters or numerals appearing thereon will appear through each of said openings, and for convenience these openings will be indicated as 15b. and the guide bar or plate 15 are in their normal or inoperative positions, for instance that position shown in Fig. 1, the openings 15"L and 15b are over the characters 0 which are at the base of the scales 12'* and 14 and a pear through the openings as shown. A ove the openin 15 on the guide bar or plate 15 appears gie word Time and above each opening -15b appears a set of numerals or figures, for instance, 16 20 i, 24 and P30 which are in line and coincide with the respective tabulated scales of wa es-14 which contain at their head ends c iaract'ers corresponding to those just referred to, which indicate the rate per hour at which an employee hi' workman may be employed. The wordt time when the opening below the same coincides with a character or numeral on the scale 12 has reference to' the elapsed time between any given time ap earing on the scale 9 which has been cau to coincide with any given time on the scale/11. For the purpose of enabling'a person,to slide or move the bar 8 through the groove 4 i n the board or table .3, a button 1,6 tor some such similar device is secured to said' bar.

1t is customary when using such a calculating device as shown, for the employee,

". vforkman or some one who may be checking the beginning and ending of a piece of work performed by such employee or workman,

to make a record of the same upon a suitable card intended for this purpose, the person then upon whom rests the responsibility of ascertaining the correct number of hours put in by such employee or workman and -the amount of wages earned will find such information by the use of my device in the following manner: We will suppose that the card above referred to shows that an emv lo ee oi workman be an at 7:30 in the P y g morning and stopped at 2:30 in the afternoon. To find the elapsed time between the commencing. and ending of the work, as just indicated, the operator will grasp the button 16 and move the bar 4, say, thirteen elapsed time sca e or chart 12?1 and the tabu- 'actual time wor (ed, less thetime for lunch which is not computed but automatically deducted; While the remaining'openings 15b in said guide bar 15 will coincide with the characters or numerals 1.04, 1.30, 1.56 and 1.95 appearing respectively oneach ofthe successiveA scales 141 lying parallel with the scales 12, either of which will indicate the amount in dollars and cents earned forl the six hours and thirty minutes. based of course on some one of the rates mentioned. The rates per hour appearing oil the guide plate -or bar 15 making it convenient for quick and ready reference and obviating the necessity of referring to the' rate at the head of each of the tabulated scales of wages.

The number of hours indicated by the elapsed. time scale between'the time otheginning (7 :30) and the ending (2:30) is based on the employee or workman taking 304 minutes for lunch, although computation could be made, as is apparent, in the above manner and for the purposes there shown without taking ont the time for lunch or without including the amount earned.

To provide for taking out the time spent for lunch, whether that be thirty minutes or any other given time, I cover up so inuch of each of the scales 9 and 11 after twelve (12:00) oclock as will include the time specified as the noon hour This muy be. done in several ways: covering up a part of the lower portions of such scales with supplemental time scales of celluloid or ot other material or provide.t he adjustable plates or bars 177 and 18 each having slots 19, extendin len thwise thereof and having an adjustab e re ation with the screwsl 2t) for locking the plates or bars 17 and ,18 when adjusted. These latesvor bars 17 and 18 are each` provide with supplemental time scales or charts 21 and 22 which are in all res ects similar to each othery and with the sca es or charts 9 and 11 and the characters or numerals thereof which denote the periods or units of time range from n. suitable point of starting toA noon or twelve (12:00) oclock; thus, placing or adjusting the scales 21 and 22 so that their upper edges appear coincident with the units 12 :30 it will appear that thirtyl (30) minutes has been deducted, which of course, will not appear in the computation, as above described. i

lvhile I have shown the guide bar or plate 15 provided with the openings 15EL and 15b as specified through which readings may be ninde when computing elapsed time and amounts earned, I wish it understood that the guide bar could be so adjusted that the upper edge of said bar would stop below a row of numerals, which would indicate the elapsed time and amount earned and thus obviate the use of such openings. For instance, instead of the numerals 6.30 1.04 L 1.30, 1.56 and v1.95 appearing through the openings in the guide bail they would appear as the first transverse row of numerals above the upperedge of the guide bar.

Having thus fully described my invention what I claim and desire to secure by Letters. Patent of the United States, is

1. In a calculating device, the combination of a board having three scales, one denoting a work commencing time scale, one denoting a work ending time scale, and the other de noting an elapsed time scale, a movable bar on which said commencing time scale is carried, whereby any specified unit of time on said scale may be brought coincident with any specified unit of time on the time ending scale, and a guide movable with said bar adapted to indicate on the elapsed time scaleA a predeterminedperiod of time.

Q. In a calculating device, the combination of a board having tIiree scales, one denoting a work commencing time scale, one denoting a work ending time scale, and the other denoting an elapsed time scale, a movable bar on which said commencing time scale is carried,'whereby any specified unit of time on said scale may be brought coincident with any specified unitof time on the time ending scale, and a guide movable with said bar adapted to indicate on the elapsed time scale the elapsed time between the designated coinciding units of time of the commencing and ending timescales, less a predetermined unit of time.

3. In a calculating device, the combination of a boardprovided with a plurality of scales, one having a plurality of scales, one having a plurality of units of time denoting a work commencing scale, one having a plurality of units of time denoting a work ending scale, one having a plurality of units of time denoting elapsed time bet-Ween a specified time of commencing and ending /a piece of work, and the remainder of said scales be ing tabulated scales of wages, a movable bar on which said commencing time scale is carried, whereby any specified unit of time on said scale may be brought coincident with any specified unit of time on the time endinor scale, and a guide movable with said bar an time commencing scales and capable of co operating with the other of said scales to indicate on the elapsed time scale a predetermined period of time, and to `indicate on either of said tabulated scales of wages an amount due for the time shown on the elapsed time scale multiplied by a predetermined rate associated with said tabulated scales of wages.

4. In a calculating device, the combination of a board provided with a plurality of ending a piece of work, and the remainder y of said scales being tabulated scales of wages, a movable bar on which said coniiiiencing time scale is carried, whereby any specified unit of time on said scale may be brought coincident with any specified unit of time on the time ending scale, and a guide movable with said bai and time comn'iencing scale and capable of cooperating with the other of said scales to indicate on the elapsed time scale the elapsed time between the designated coinciding units of time of the coniinencin and ending time scales, less a predetermined unit of time, and also to indicate on either of said tabulated scales of Wages an amount due for the time shown on the elapsed time scale multiplied by a predetermined rate associated with said tabulated scales of wages.

5. In a calculating device, the combination of a board containing a time Vcommencing scale, a time ending scale and a time elapsed scale, a movable'bar having said time commencing scale thereon, a uide movable with said bar and capable o coperating with said last mentioned scale, and means for deducting certain units of time of the time commencing and ending scales, whereby when elapsed time between two predetermined units of time of the first and second mentioned scales has been computed such computation will automatically deduct such units of time, which is not displayed by said elapsed time scale.

6. In a calculating device, the combination of a board, a plurality of scale members and scales thereon arranged in parallel rows on Said board, one of said members having a slidable relation with said board and containing a time commencing scale, the iemainder of said member having a relatively fixed relation with said board, one of said fixed members containing a time ending scale, one of the other of said members con-V taining an elapsed time scale, and the re mainder of said members containing wage scales, a guide attached to the slidable member and extending transversely across the time ending, elapsed time and wage scales, and provided with a plurality of openings through which appear the characters on said time endin elapsed time and wage scales, as said gui e is moved back and forth across said scales.

7. In a calculating device, the combination of a board having three scales, one denoting a work commencingr timescale, one denoting a work ending time scale, and the other denoting an elapsed time scale, said commencing and ending time scales arranged with overlapping sections, whereby a predetermined unit of time may be deducted from said scales, a movable bar on which saidV commencing time scale is carried, and a guide movable with said bar and cooperating with said elapsed time scale for denoting on said scale the elapsed time between certain coinciding characters on the time commencin and ending scales, less the amount deducte on saidscales.

Intestimon whereof I affix my signature, in presence o two witnesses.

PETER W. SOMMER.

Witnesses:l

CHAS. W. LA PORTE, LAURA E. CLAYPooL. 

